import com.mysql.jdbc.jdbc2.optional.MysqlDataSource;

import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class Test1 {
    public static void main(String[] args) throws SQLException {
        DataSource dataSource = new MysqlDataSource();
        ((MysqlDataSource) dataSource).
                setUrl("jdbc:mysql://127.0.0.1:3306/java109?characterEncoding=utf8&useSSL=false");
        ((MysqlDataSource) dataSource).setUser("root");
        ((MysqlDataSource) dataSource).setPassword("0118");

        Connection connection = dataSource.getConnection();

        //构造sql
        String sql = "select * from test where id = 2" ;
        PreparedStatement statement = connection.prepareStatement(sql);

        //执行sql
       ResultSet resultSet =  statement.executeQuery();
       while (resultSet.next()){
           int id = resultSet.getInt("id");
           String name = resultSet.getString("name");
           System.out.println("id:" + id + " name:"+name);
       }

    }
}
